1. in a tight, close-fitting, or secure manner
2. in a warm, comfortable, and cozy manner

Examples

• The lid fits snugly on the jar.
• She tucked the blanket snugly around the baby.
• His jacket fit snugly across his shoulders.
• The family sat snugly by the fireplace.
• The boots fit snugly without being too tight.
• The cat curled up snugly in its bed.
• The pieces of the puzzle fit together snugly.